MARY ALARCON
NPI 1083868541
Occupational Therapist in San Diego, CA

Active since November 11, 2008
11553 WINDCREST LN, APT 251, SAN DIEGO, CA 92128(570) 590-3340 Get Directions Write a Review

NPPES record last updated: June 28, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Alarcon NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY ALARCON (NPI 1083868541) is an individual occupational therapist in San Diego, California, licensed in California (10714) and active in the NPI registry since November 2008.

NPPES Registry Identity

NPI1083868541
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameMARY ALARCON
Location Address11553 WINDCREST LN, APT 251San Diego, CA 92128-6415
Mailing Address11553 Windcrest Ln, Apt 251San Diego, CA 92128-6415
Sole ProprietorYes
Enumeration DateNovember 11, 2008
Last NPPES UpdateJune 28, 2011
✔ NPI 1083868541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License✔ Licensed in CA · 10714
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
11553 WINDCREST LN, San Diego, CA 92128

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Alarcon is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

4

Medicare enrollment records show Mary Alarcon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
75100 MEDITERRANEAN
Palm Desert, CA 92211
  • Reassigned Medicare billing, California enrollment
  • 38 clinicians in this Medicare group
Physical Therapist
6320 CANOGA AVE FL 15
Woodland Hills, CA 91367
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: All Care Physical Therapy, PC
  • 266 clinicians in this Medicare group
Physical Therapist
100 E THOUSAND OAKS BLVD STE 237
Thousand Oaks, CA 91360
  • Reassigned Medicare billing, California enrollment
  • 92 clinicians in this Medicare group
1,278 mi
Behavior Analyst
810 S MASON RD STE 315
Katy, TX 77450
  • Reassigned Medicare billing, California enrollment
  • 124 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Alarcon's NPI number?

The NPI number for Mary Alarcon is 1083868541. It was assigned to this individual provider in the NPPES registry on November 11, 2008.

Where is Mary Alarcon located?

Mary Alarcon practices at 11553 Windcrest Ln Apt 251, San Diego, CA 92128. The listed phone number is (570) 590-3340.

What is Mary Alarcon's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Mary Alarcon enrolled in Medicare?

Yes. Mary Alarcon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Alarcon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Alarcon reassigns Medicare benefits to 4 organizations: Easy Speech Pathology, Inc. (Palm Desert, CA), All Care Physical Therapy, P.C. (Woodland Hills, CA), Feld Care Therapy Inc (Thousand Oaks, CA) and Slptele LLC (Katy, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Alarcon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Alarcon was last updated on June 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.